Welding Of Cast Iron Is Difficult. Cast iron is one of the more difficult metals to weld. Dec 17 2013 Cast iron is difficult but not impossible to weld.
Its difficult to weld but not impossible at all. However its a metal thats commonly welded and can produce a strong component that will last just as well as a cast product without welds. If you want to benefit from the strength cast iron is needed for welding.
It cant deform or stretch if it is stressed or heated.
Cast iron is typically higher in carbon than steel. A few facts about cast iron help in understanding the welding challenges. And given the brittle nature of the material and that its used everywhere from kitchen to workshop broken cast iron parts are not unusual. This makes the iron brittle and more difficult to weld than other industrial metals.